adjective
[ only before noun ] connected with people who do physical work in industry :
blue-collar workers / voters / votes
—compare pink-collar , white-collar
adjective
[ only before noun ] connected with people who do physical work in industry :
blue-collar workers / voters / votes
—compare pink-collar , white-collar
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005